You need to substitute the “r(x)” and the “c(x)” in the equation of “p(x)”
So you would have something like this after the substitution;
12x-5x-20
Then you need to do the subtraction of the “x”, and you would get something like this;
7x-20 (this is the answer)
Answer:
0.238
Step-by-step explanation:
you just have to put it in a calculator and the find the third decimal out.
17 quarters = 4 1/4 dollars or $4.25
$4.25 + $13 = $17.25.
Janet has $17.25
Answer:
-13h - 12
Step-by-step explanation:
3(-6h - 4) + 5h
-18h - 12 + 5h
-13h - 12
hope this helps! :D
have a miraculous day, and brainliest is immensely appreciated!! <3
Answer:
- maximum height: 498 ft
- distance from point of release: 70 ft
Step-by-step explanation:
A graphing calculator can show the answers to these questions.
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For quadratic ax²+bx+c, the x-value of the vertex is ...
x = -b/(2a)
For the given expression, the vertex is ...
x = -14/(2(-0.1)) = 70
The distance from the point of release to the point of maximum height is 70 feet.
__
The height of the ball at that point is ...
f(70) = (-0.1·70 +14)70 +8 = 7·70 +8 = 498 . . . . feet
The maximum height is 498 feet.